Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsSeiko 5 Sports SKX series MOONEYES Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365

At a glance

14 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
5 Sports SKX series MOONEYES Limited Edition42.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
5 Sports SKX series MOONEYES Limited Edition41h
Water Resistance
Flyboy Airmaster GMT Automatic50m
5 Sports SKX series MOONEYES Limited Edition100m
MSRP
Flyboy Airmaster GMT Automatic$365
5 Sports SKX series MOONEYES Limited Edition$420

Full specifications

Case

7 specs
Category
GMT
Sport
Diameter
40mm
42.5mm
Thickness
13.4mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
NH34
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$365
$420

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.

Seiko 5 Sports SKX series MOONEYES Limited Edition

The Seiko 5 Sports SKX series MOONEYES Limited Edition is praised for its bold, sporty design, featuring a vibrant yellow sunray dial and a unique acrylic bezel insert that evokes hot-rodding culture. Owners note the surprisingly wearable yellow color and the distinctive Mooneyes branding that stands out in person. The 42.5mm case is complemented by a short 46mm lug-to-lug distance, allowing for comfortable wear on smaller wrists. It is powered by the 4R36 automatic movement, offering a 41-hour power reserve, and comes with both a steel bracelet and a striped nylon strap. Overall, owners and reviewers appreciate the Seiko 5 Sports SKX series MOONEYES Limited Edition for its fun, retro aesthetic and comfortable wearability at an affordable price point.

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